Adjustable condenser
[电] 可调电容器
🧩 词语组成解析
🗣️ 情景例句
The grass. The trees. The fresh air.
草地， 树木， 新鲜空气。
I believe there is no way out of this forest.
我相信没有路可以从这森林走出去。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。